#include <stdio.h>
#include <string.h>
#include <iostream.h>
#include "user_log.c++.h"
#include "file_lock.h"

void usage(char* myname, FILE* puthere)
{
	fprintf(puthere, "Usage: %s LOGFILE\n", myname);
	fprintf(puthere, "  LOGFILE              Read from this logfile\n");
}

int main(int argc, char* argv[])
{
	char* logfile = argv[1];

		// check arguments
	if( !logfile ) {
		usage(argv[0], stderr);
		return 1;
	}
	if( !strncmp(logfile, "-h", 2) || !strcmp(logfile, "--help") ) {
		usage(argv[0], stdout);
		return 0;
	}

	int done;
	ReadUserLog rul(logfile);

    ULogEvent* e = NULL;

	done = 0;
	while( !done ) {
        ULogEventOutcome outcome = rul.readEvent(e);
		cout << ULogEventOutcomeNames[outcome];
        switch( outcome ) {
		  case ULOG_NO_EVENT:
		  case ULOG_RD_ERROR:
		  case ULOG_UNK_ERROR:
			done = 1;
			cout << endl;
			break;
		  case ULOG_OK:
			cout << " " << ULogEventNumberNames[e->eventNumber] << endl;
			switch(e->eventNumber) {
				case ULOG_SUBMIT: {
					SubmitEvent *submitEvent = (SubmitEvent *)e;
					cout << "This job was successfully submitted at ";
					cout << asctime(&submitEvent->eventTime);
					cout << " from host " << submitEvent->submitHost;
					cout << endl;
					}
					break;
				default:
					break;
			}
			break;
		  default:
			cout << "Eek, shouldn't get here" << endl;
			break;
        }
	}
}